Dimensions and section properties for W40X277

Structural sectional properties for a W40X277 standard steel section


steel section diagram

US Customary Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW40X277
Cross Sectional AreaA81.5 in2
Section Widthb15.8 in
Section Depthd39.7 in
Flange thicknesstf1.58 in
Web thicknesstw0.83 in
Radius of Gyration about X-Xrx16.4 in
Radius of Gyrations about Y-Yry3.58 in
Moment of Inertia about X-XIx21900 in4
Moment of Intertia about Y-YIy1040 in4
Elastic Section Modulus about X-XSx1100 in3
Elastic Section Modulus about Y-YSy132 in3
Plastic Section Modulus about X-XZx1250 in3
Plastic Section Modulus about Y-YZy204 in3
St. Venant Torsional ConstantJ51.5 in4
Warping Torsion ConstantCw379000 in6
Self Weight of sectionWeight277 lb/ft

Metric Units

DescriptionSymbolValue
Shape Category / DesignationTypeW
Section NameNameW40X277
Cross Sectional AreaA52581 mm2
Section Widthb401 mm
Section Depthd1008 mm
Flange thicknesstf40.1 mm
Web thicknesstw21.1 mm
Radius of Gyration about X-Xrx417 mm
Radius of Gyrations about Y-Yry91 mm
Moment of Inertia about X-XIx9115000000 mm4
Moment of Intertia about Y-YIy433000000 mm4
Elastic Section Modulus about X-XSx18026000 mm3
Elastic Section Modulus about Y-YSy2163000 mm3
Plastic Section Modulus about X-XZx20484000 mm3
Plastic Section Modulus about Y-YZy3343000 mm3
St. Venant Torsional ConstantJ21436000 mm4
Warping Torsion ConstantCw101775000000000 mm6
Self Weight of sectionWeight412 kg/m

Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.

A W40X277 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 277 lb/ft and has a cross sectional area of 81.5 in2. The height and width of the section are 39.7 in and 15.8 in respectively.

The section has a tensile yield capacity of:

kip

The section has a flexural plastic moment capacity of:

kip-ft

The section has a flexural elastic moment capacity of:

kip-ft